Error when detaching QToolBar on wayland

#!/usr/bin/env python3
from PySide6 import QtCore, QtWidgets, QtGui
from __feature__ import snake_case, true_property

import sys

class MainWindow(QtWidgets.QMainWindow):
    def __init__(self):
        super().__init__()
        self.window_title = 'Hello'
        self.text = QtWidgets.QLabel('Hello World', alignment=QtCore.Qt.AlignCenter)
        self.set_central_widget(self.text)
        self.create_actions()
        self.create_menus()
        self.create_tool_bars()
        self.create_status_bar()

    def create_actions(self):
        self.new_game_action = QtGui.QAction('New Game', self)
        self.new_game_action.set_shortcuts(QtGui.QKeySequence.New)
        self.new_game_action.status_tip = 'Let\'s play!'
        self.new_game_action.triggered.connect(self.new_game)

        self.quit_action = QtGui.QAction('Quit', self)
        self.quit_action.set_shortcuts(QtGui.QKeySequence.Quit)
        self.quit_action.status_tip = 'Quit'
        self.quit_action.triggered.connect(self.close)


    def create_menus(self):
        self.file_menu = self.menu_bar().add_menu('File')
        self.file_menu.add_action(self.new_game_action)
        self.file_menu.add_separator()
        self.file_menu.add_action(self.quit_action)

    def new_game(self):
        pass

    def create_tool_bars(self):
        self.tool_bar = self.add_tool_bar('Tool Bar')
        self.tool_bar.add_action(self.new_game_action)

    def create_status_bar(self):
        self.status_bar_ = self.status_bar()

def main():
    app = QtWidgets.QApplication(sys.argv)
    widget = MainWindow()
    widget.resize(800, 600)
    widget.show()
    sys.exit(app.exec())

if __name__ == '__main__': main()